feat: add context menu functionality to file tree with copy path option

Added @radix-ui/react-context-menu dependency and implemented right-click context menu for file tree items. Enhanced FileTreeItem and SubFolderContent components with additional props for customization including show/hide buttons, remove functionality, and file replacement prevention.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: milisp

bun.lock

@@ -11,6 +11,7 @@
   },
   "dependencies": {
     "@radix-ui/react-collapsible": "^1.1.12",
+    "@radix-ui/react-context-menu": "^2.2.16",
     "@radix-ui/react-dialog": "^1.1.14",
     "@radix-ui/react-dropdown-menu": "^2.1.15",
     "@radix-ui/react-popover": "^1.1.15",